sysdeps/unix/sysv/linux/Makefile

   1 ifeq ($(subdir),csu)
   2 sysdep_routines += errno-loc
   3 endif
   4
   5 ifeq ($(subdir),assert)
   6 CFLAGS-assert.c += -DFATAL_PREPARE_INCLUDE='<fatal-prepare.h>'
   7 CFLAGS-assert-perr.c += -DFATAL_PREPARE_INCLUDE='<fatal-prepare.h>'
   8 endif
   9
  10 ifeq ($(subdir),malloc)
  11 CFLAGS-malloc.c += -DMORECORE_CLEARS=2
  12 endif
  13
  14 ifeq ($(subdir),socket)
  15 sysdep_routines += internal_accept4 internal_recvmmsg internal_sendmmsg
  16 endif
  17
  18 ifeq ($(subdir),misc)
  19 include $(firstword $(wildcard $(sysdirs:=/sysctl.mk)))
  20
  21 sysdep_routines += clone llseek umount umount2 readahead \
  22                    setfsuid setfsgid makedev epoll_pwait signalfd \
  23                    eventfd eventfd_read eventfd_write prlimit
  24
  25 CFLAGS-gethostid.c = -fexceptions
  26 CFLAGS-tst-writev.c += "-DARTIFICIAL_LIMIT=0x80000000-__getpagesize()"
  27
  28 sysdep_headers += sys/mount.h sys/acct.h sys/sysctl.h \
  29                   sys/klog.h sys/kdaemon.h \
  30                   sys/user.h sys/procfs.h sys/prctl.h \
  31                   sys/kd.h sys/soundcard.h sys/vt.h \
  32                   sys/quota.h sys/fsuid.h \
  33                   scsi/sg.h scsi/scsi.h scsi/scsi_ioctl.h sys/pci.h \
  34                   sys/ultrasound.h sys/raw.h sys/personality.h sys/epoll.h \
  35                   bits/a.out.h sys/inotify.h sys/signalfd.h sys/eventfd.h \
  36                   sys/timerfd.h sys/fanotify.h bits/eventfd.h bits/inotify.h \
  37                   bits/signalfd.h bits/timerfd.h bits/epoll.h \
  38                   bits/socket_type.h bits/syscall.h bits/sysctl.h \
  39                   bits/mman-linux.h
  40
  41 tests += tst-clone
  42
  43 # Generate the list of SYS_* macros for the system calls (__NR_* macros).
  44
  45 # If there is more than one syscall list for different architecture
  46 # variants, the CPU/Makefile defines abi-variants to be a list of names
  47 # for those variants (e.g. 32 64), and, for each variant, defines
  48 # abi-$(variant)-options to be compiler options to cause <asm/unistd.h>
  49 # to define the desired list of syscalls and abi-$(variant)-condition to
  50 # be the condition for those options to use in a C #if condition.
  51 # abi-includes may be defined to a list of headers to include
  52 # in the generated header, if the default does not suffice.
  53
  54 $(objpfx)bits/syscall%h $(objpfx)bits/syscall%d: ../sysdeps/unix/sysv/linux/sys/syscall.h
  55         $(make-target-directory)
  56         { \
  57          echo '/* Generated at libc build time from kernel syscall list.  */';\
  58          echo ''; \
  59          echo '#ifndef _SYSCALL_H'; \
  60          echo '# error "Never use <bits/syscall.h> directly; include <sys/syscall.h> instead."'; \
  61          echo '#endif'; \
  62          echo ''; \
  63          $(foreach h,$(abi-includes), echo '#include <$(h)>';) \
  64          echo ''; \
  65          $(if $(abi-variants), \
  66          $(foreach v,$(abi-variants),\
  67          $(CC) -E -MD -MP -MF $(@:.h=.d)-t$(v) -MT '$(@:.d=.h) $(@:.h=.d)' \
  68                -x c $(sysincludes) $< $(abi-$(v)-options) \
  69                -D_LIBC -dM | \
  70          sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' | \
  71          LC_ALL=C sort > $(@:.d=.h).new$(v); \
  72          $(if $(abi-$(v)-condition),\
  73          echo '#if $(abi-$(v)-condition)';) \
  74          cat $(@:.d=.h).new$(v); \
  75          $(if $(abi-$(v)-condition),echo '#endif';) \
  76          rm -f $(@:.d=.h).new$(v); \
  77          ), \
  78          $(CC) -E -MD -MP -MF $(@:.h=.d)-t$(v) -MT '$(@:.d=.h) $(@:.h=.d)' \
  79                -x c $(sysincludes) $< \
  80                -D_LIBC -dM | \
  81          sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' | \
  82          LC_ALL=C sort;) \
  83         } > $(@:.d=.h).new
  84         mv -f $(@:.d=.h).new $(@:.d=.h)
  85 ifdef abi-variants
  86 ifneq (,$(objpfx))
  87         sed $(sed-remove-objpfx) \
  88          $(foreach v,$(abi-variants),$(@:.h=.d)-t$(v)) > $(@:.h=.d)-t3
  89 else
  90         cat $(foreach v,$(abi-variants),$(@:.h=.d)-t$(v)) \
  91          > $(@:.h=.d)-t3
  92 endif
  93         rm -f $(foreach v,$(abi-variants),$(@:.h=.d)-t$(v))
  94         mv -f $(@:.h=.d)-t3 $(@:.h=.d)
  95 else
  96         mv -f $(@:.h=.d)-t $(@:.h=.d)
  97 endif
  98
  99 ifndef no_deps
 100 # Get the generated list of dependencies (probably /usr/include/asm/unistd.h).
 101 -include $(objpfx)bits/syscall.d
 102 endif
 103 generated += bits/syscall.h bits/syscall.d
 104 endif
 105
 106 ifeq ($(subdir),time)
 107 sysdep_headers += sys/timex.h bits/timex.h
 108
 109 sysdep_routines += ntp_gettime ntp_gettimex
 110 endif
 111
 112 ifeq ($(subdir),socket)
 113 sysdep_headers += net/if_ppp.h net/ppp-comp.h \
 114                   net/ppp_defs.h net/if_arp.h net/route.h net/ethernet.h \
 115                   net/if_slip.h net/if_packet.h net/if_shaper.h
 116 sysdep_routines += cmsg_nxthdr sa_len
 117 endif
 118
 119 ifeq ($(subdir),sunrpc)
 120 sysdep_headers += nfs/nfs.h
 121 endif
 122
 123 ifeq ($(subdir),termios)
 124 sysdep_headers += termio.h
 125 endif
 126
 127 ifeq ($(subdir),posix)
 128 sysdep_headers += bits/initspin.h
 129
 130 sysdep_routines += exit-thread sched_getcpu
 131
 132 tests += tst-getcpu
 133 endif
 134
 135 ifeq ($(subdir),inet)
 136 sysdep_headers += netinet/if_fddi.h netinet/if_tr.h \
 137                   netipx/ipx.h netash/ash.h netax25/ax25.h netatalk/at.h \
 138                   netrom/netrom.h netpacket/packet.h netrose/rose.h \
 139                   neteconet/ec.h netiucv/iucv.h
 140 endif
 141
 142 # Don't compile the ctype glue code, since there is no old non-GNU C library.
 143 inhibit-glue = yes
 144
 145 ifeq ($(subdir),dirent)
 146 sysdep_routines += getdirentries getdirentries64
 147 endif
 148
 149 ifeq ($(subdir),nis)
 150 CFLAGS-ypclnt.c = -DUSE_BINDINGDIR=1
 151 endif
 152
 153 ifeq ($(subdir),io)
 154 sysdep_routines += xstatconv internal_statvfs internal_statvfs64 \
 155                    sync_file_range fallocate fallocate64
 156 sysdep_headers += bits/fcntl-linux.h
 157 endif
 158
 159 ifeq ($(subdir),elf)
 160 sysdep-rtld-routines += dl-brk dl-sbrk dl-getcwd dl-openat64 dl-opendir \
 161                         dl-fxstatat64
 162
 163 CPPFLAGS-lddlibc4 += -DNOT_IN_libc
 164 endif
 165
 166 ifeq ($(subdir),rt)
 167 CFLAGS-mq_send.c += -fexceptions
 168 CFLAGS-mq_receive.c += -fexceptions
 169 endif
 170
 171 ifeq ($(subdir),nscd)
 172 sysdep-CFLAGS += -DHAVE_EPOLL -DHAVE_SENDFILE -DHAVE_INOTIFY -DHAVE_NETLINK
 173 CFLAGS-gai.c += -DNEED_NETLINK
 174 endif